(1977). The economics of new educational media: Present status of research and trends. Unesco.
Style de citation Chicago (17e éd.)The Economics of New Educational Media: Present Status of Research and Trends. London: Unesco, 1977.
Style de citation MLA (9e éd.)The Economics of New Educational Media: Present Status of Research and Trends. Unesco, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.